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Hans Rudolph 3 Litre Calibration Syringe
The Hans Rudolph 3 Litre syringe is used for calibrating pulmonary function testing equipment, including spirometers. Three litres is the recommended minimum volume to test spirometers.
SpiroCal 3000 Calibration Syringe
The Piston 3 litre calibration syringe is used to calibrate and validate your spirometer on a daily basis. Three litres is the recommended minimum volume to test spirometers.